# utf-8

import unittest

from solution import Solution


class TestLc(unittest.TestCase):
    def setUp(self):
        self.soluton_inst = Solution()
        print("setUp...")

    def tearDown(self):
        del self.soluton_inst
        print("tearDown...")

    def test_case_01(self):
        numCourses = 2
        prerequisites = [[1, 0]]
        digits = ""
        res = self.soluton_inst.letterCombinations(digits)
        print(res)


if __name__ == "__main__":
    unittest.main()
